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Which answer best describes Earth’s surface temperature when it first formed as a planet?

A. The Earth’s surface was about the same temperature as it is today

B. The Earth’s surface was much colder than it is today

C. The Earth’s surface was much hotter than it is today

bold = correct answer

Question Identifier: GCI_2011_070
Designed for: Non-Science Majors
Primary Author(s): J. Libarkin, S. Anderson
Contributing Author(s): C. Steffke
Misconception's Reference: Original GCI (https://www.msu.edu/~libarkin/GCI_PUBLICATIONS.html)
Notes: Stem simplified (time travel is implied).